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Method and device for determining the amount of geological resources in traps

A technology for determining the method and amount of resources, which is applied in the field of oil and gas exploration, can solve the problems of great disparity in the amount of geological resources in traps and low accuracy of estimation methods, and achieve the effect that is conducive to exploration investment decision-making and exploration plan formulation

Active Publication Date: 2019-05-07
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and device for determining the amount of geological resources in traps, which is used to solve the technical problem that the estimation method in the prior art has low accuracy and the estimated amount of geological resources in traps is greatly different from the actual situation.

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  • Method and device for determining the amount of geological resources in traps
  • Method and device for determining the amount of geological resources in traps
  • Method and device for determining the amount of geological resources in traps

Examples

Experimental program
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Embodiment 1

[0052] figure 1 It is a schematic flow chart of the method for determining the amount of geological resources in traps according to Embodiment 1 of the present invention, as figure 1As shown, this embodiment provides a method for determining the amount of trapped geological resources, including:

[0053] Step 101, obtain the trap effective volume and single storage coefficient.

[0054] Specifically, the trap effective volume refers to the volume within the trap range that has industrial oil production capacity. The single storage coefficient refers to the geological reserves contained in the unit volume of oil (gas) layer in the oil (gas) reservoir. It is usually expressed by the geological reserves contained in each square kilometer of oil layer per meter.

[0055] Step 102 , according to the effective volume of the trap and the single-reservoir coefficient, calculate and obtain the quantity of geological resources of the trap, wherein the quantity of geological resources...

Embodiment 2

[0059] This embodiment is a supplementary description based on the above embodiments.

[0060] figure 2 It is a schematic flow chart of the method for determining the amount of geological resources in traps according to Embodiment 2 of the present invention, as figure 2 As shown, this embodiment provides a method for determining the amount of trapped geological resources, including:

[0061] Step 1011, according to the top depth data pair, the bottom depth data pair and the oil contact depth, the total volume of the trap is obtained, wherein the top depth data pair is the area value of the top surface of the reservoir and the corresponding depth value of the top surface of the reservoir, the resulting The bottom depth data pair is the reservoir bottom area value and the corresponding reservoir bottom depth value.

[0062] Specifically, the top depth data pair, the area value of the bottom surface of the reservoir and the corresponding depth of the bottom surface of the res...

Embodiment 3

[0090] This embodiment is an embodiment of a device for executing the method in Embodiment 1.

[0091] Figure 5 It is a schematic diagram of the structure of the device for determining the amount of geological resources in traps according to Embodiment 3 of the present invention, as shown in Figure 5 As shown, this embodiment provides a device for determining the amount of geological resources in traps, including: an acquisition module 201 for the effective volume of traps, an acquisition module 202 for single-reservoir coefficients, and an acquisition module 203 for the amount of geological resources in traps.

[0092] Wherein, the trapping effective volume obtaining module 201 is used to obtain the trapping effective volume. The single storage coefficient acquisition module 202 is used for the single storage coefficient. The trap geological resource acquisition module 203 is used to calculate and obtain the trap geological resource according to the effective volume of th...

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Abstract

The invention provides a method and apparatus for determining an entrapment geological resource amount. The method comprises: an entrapment effective volume and a unit reserve factor are obtained; and according to the entrapment effective volume and the unit reserve factor, calculation is carried out to obtain an entrapment geological resource amount being a product of the entrapment effective volume and the unit reserve factor. According to the method provided by the invention, the entrapment geological resource amount can be calculated only by obtaining the ntrapment effective volume and the unit reserve factor, so that a defect of a large calculation result offset caused by inaccurate obtaining of an entrapment geological resource amount calculation parameter can be overcome. Therefore, a solid foundation is laid for objective and reasonable estimation of the entrapment geological resource amount and exploitation plan formulation and exploitation investment decision making can be carried out conveniently.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration, in particular to a method and device for determining the amount of geological resources in traps. Background technique [0002] Estimating the geological resources of traps is the main task of evaluating the potential of drilling targets. Although the volume of oil and gas contained in traps exists objectively, due to the limitations of existing technology and economic conditions, it is impossible to directly measure the volume of oil and gas in the exploration stage. Only indirect means can be used to obtain relevant geological parameters of traps and estimate the amount of geological resources in traps. Therefore, choosing a reasonable calculation method and objectively and quantitatively evaluating the oil and gas scale of traps are the core of trap resource estimation. In the early stage of exploration, due to the lack of geological data, it is difficult to obtain accurate ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V9/00
CPCG01V9/00
Inventor 杨双闫相宾高山林蔡利学马晓娟李娜
Owner CHINA PETROLEUM & CHEM CORP